1//===-- LambdaResolverMM - Redirect symbol lookup via a functor -*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// Defines a RuntimeDyld::SymbolResolver subclass that uses a user-supplied 11// functor for symbol resolution. 12// 13//===----------------------------------------------------------------------===// 14 15#ifndef LLVM_EXECUTIONENGINE_ORC_LAMBDARESOLVER_H 16#define LLVM_EXECUTIONENGINE_ORC_LAMBDARESOLVER_H 17 18#include "llvm/ADT/STLExtras.h" 19#include "llvm/ExecutionEngine/RuntimeDyld.h" 20#include <memory> 21 22namespace llvm { 23namespace orc { 24 25template <typename DylibLookupFtorT, typename ExternalLookupFtorT> 26class LambdaResolver : public JITSymbolResolver { 27public: 28 29 LambdaResolver(DylibLookupFtorT DylibLookupFtor, 30 ExternalLookupFtorT ExternalLookupFtor) 31 : DylibLookupFtor(DylibLookupFtor), 32 ExternalLookupFtor(ExternalLookupFtor) {} 33 34 JITSymbol findSymbolInLogicalDylib(const std::string &Name) final { 35 return DylibLookupFtor(Name); 36 } 37 38 JITSymbol findSymbol(const std::string &Name) final { 39 return ExternalLookupFtor(Name); 40 } 41 42private: 43 DylibLookupFtorT DylibLookupFtor; 44 ExternalLookupFtorT ExternalLookupFtor; 45}; 46 47template <typename DylibLookupFtorT, 48 typename ExternalLookupFtorT> 49std::unique_ptr<LambdaResolver<DylibLookupFtorT, ExternalLookupFtorT>> 50createLambdaResolver(DylibLookupFtorT DylibLookupFtor, 51 ExternalLookupFtorT ExternalLookupFtor) { 52 typedef LambdaResolver<DylibLookupFtorT, ExternalLookupFtorT> LR; 53 return make_unique<LR>(std::move(DylibLookupFtor), 54 std::move(ExternalLookupFtor)); 55} 56 57} // End namespace orc. 58} // End namespace llvm. 59 60#endif // LLVM_EXECUTIONENGINE_ORC_LAMBDARESOLVER_H 61